.el-container {
    height: 100vh;
    display: flex;
    overflow-y: auto;
    .header {
        height: 50px;
        background-color: #f4f4f4;
    }
    .content{
        width: 100%;
        flex: 1;
    .aside{
        background-color: #f4f4f4;
    
    }
    el-main {
        background-color: #ffffff;
     
    }
    }
}